Storage battery



FIG. 1 is a perspective view of an embodiment of a storage battery showing our new design;

FIG. 2 is a front elevation view of the embodiment;

FIG. 3 is a rear perspective view of the embodiment;

FIG. 4 is a top plan view of the embodiment;

FIG. 5 a bottom plan view of the embodiment; and,

FIG. 6 is a right side view of the embodiment, the left side view thereof being a mirror image.

The broken lines shown in the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a storage battery, as shown and described. 